Edit report at https://bugs.php.net/bug.php?id=48746&edit=1

 ID:                 48746
 Comment by:         php dot 10 dot davidsfcd at spamgourmet dot com
 Reported by:        ddkees at illinois dot edu
 Summary:            Unable to browse directories within Junction Points
 Status:             Closed
 Type:               Bug
 Package:            Directory function related
 Operating System:   win32 only - Windows Server 2003
 PHP Version:        5.3.0
 Assigned To:        pajoye
 Block user comment: N
 Private report:     N

 New Comment:

I have this issue with PHP 5.3.8, I'm running PHP under FastCGI under its own 
Security Principal.

My PHP codebase uses CakePHP, when I run the project off a local HDD then the 
application works perfectly, but when I run the project off a directory that is 
an NTFS Symbolic Link to a UNC share on another server then PHP fails to load 
files specified by CakePHP.

I've gone into the code and I can't see anything that would cause this to fail 
besides a regressive bug in PHP.

I get the same problems with PHP 5.2.17
And with PHP 5.3.0 nothing works at all and PHP refuses to touch anything that 
goes through an NTFS junction point. Strange.


Previous Comments:
------------------------------------------------------------------------
[2010-07-12 14:22:02] paj...@php.net

It is the way it works on all platforms. It was only not support on windows 
with 5.2. However 5.3 and later support symlinks and junctions.

Please read the documentation about symlink support in php and how they work. 
There is no bug here.

------------------------------------------------------------------------
[2010-07-12 14:16:14] M8R-jw2mu7 at mailinator dot com

I don't know if at this point I should file a new defect.

Let's say we have this structure:
H:\www\site1\media\junction ( => I:\resources)

Let's say we call page.php in a browser:
$_SERVER['SCRIPT_FILENAME'] is 'h:/www/(etc.)'
dirname(...) works OK.

<?php
require_once( dirname($_SERVER['SCRIPT_FILENAME']). "/../inc/config.php" );
?>
will yield an error: it does not try to load
  H:\www\site1\media\inc\config.php
but
  I:\inc\config.php (I:\resources/../inc/config.php)

Also, a realpath() on the included string returns false.

------------------------------------------------------------------------
[2010-07-12 14:05:31] paj...@php.net

The results in 5.3 are correct.

------------------------------------------------------------------------
[2010-07-12 13:58:09] M8R-jw2mu7 at mailinator dot com

pajoye at php dot net:
I get your point, but what about the lstat() part ?
"Gathers the statistics of the file or symbolic link named by filename."

Shouldn't it work for directory symlinks as well?

------------------------------------------------------------------------
[2010-07-12 13:52:28] M8R-jw2mu7 at mailinator dot com

Replying to myself:
I think this is by design.

http://php.net/manual/en/language.constants.predefined.php says:

__FILE__         The full path and filename of the file. If used inside an 
include, the name of the included file is returned. Since PHP 4.0.2, __FILE__ 
always contains an absolute path with symlinks resolved whereas in older 
versions it contained relative path under some circumstances. 

Maybe $_SERVER['SCRIPT_FILENAME'] should be used instead?

------------------------------------------------------------------------


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